1.
Hoar frost occurs on airframe
in clear air when the temperature of airframe is
a.
below the frost point
b.
frost point
c.
just above the frost point
2.
In clouds at temperatures below
0° C an aircraft may encounter icing of the type
a.
only Glazed
b.
only Rime
c.
intermediate between these
two
3.
Opaque Rime ice is
a.
Light porous
b.
Solid
c.
Mixture of porous and solid
4.
Rime is formed by freezing of supercooled water droplets on airframe when
aircraft is flying through clouds
a.
Small
b.
Large
c.
Medium
5.
The ice poses serious aviation
hazard